#377F4E#377F4E

#377F4E is a mid, moderate green. Relative luminance 0.165; OKLCH L 53.7% C 0.106 H 151.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#377F4E
RGBrgb(55, 127, 78)
HSLhsl(139, 40%, 36%)
HSVhsv(139, 57%, 50%)
CMYKcmyk(56.7%, 0%, 38.6%, 50.2%)
CIE-LABlab(47.68, -34.25, 20.02)
CIE-LCHlch(47.68, 39.67, 149.69°)
OKLaboklab(53.71% -0.0929 0.05)
OKLCHoklch(53.71% 0.106 151.7)
XYZxyz(10.5393, 16.5401, 9.8434)
Luminance0.1654 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377F4E #7F3768
analogous
#447F37 #377F4E #377F72
triadic
#377F4E #4E377F #7F4E37
tetradic
#377F4E #37447F #7F3768 #7F7237
square
#377F4E #37447F #7F3768 #7F7237
split-complementary
#377F4E #72377F #7F3744
monochromatic
#122A1A #255434 #377F4E #49AA68 #70C18A

Accessibility & contrast

On white

4.87
#377F4E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#377F4E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377F4E
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377F4E#FFFFFF#000000##FFFFFF
##377F4E1.004.874.314.87
#FFFFFF4.871.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7F754B
Deuteranopia (green-blind)
#756E51
Tritanopia (blue-blind)
#247D73
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #377f4e;
/* rgb */ color: rgb(55, 127, 78);
/* oklch */ color: oklch(53.7% 0.106 151.7);
Tailwind
colors: {
  custom: {
    50: '#74a580',
    500: '#377f4e',
    950: '#000000',
  },
}
SCSS
$custom: #377f4e;
$custom-light: #74a580;
$custom-dark: #000000;
JSON
{
  "hex": "#377f4e",
  "rgb": {
    "r": 55,
    "g": 127,
    "b": 78
  },
  "hsl": {
    "h": 139.167,
    "s": 39.56,
    "l": 35.686
  },
  "oklch": {
    "l": 0.53711,
    "c": 0.10552,
    "h": 151.7
  },
  "luminance": 0.16541
}

Semantic roles & 50–950 ramp

primary
#377F4E
secondary
#AA6895
accent
#58A9CF
background
#F7FAF7
surface
#EDF4EE
border
#C8CEC9
text
#090F0A
muted
#7B7F7C

Preview Lab

Preview with #377F4E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#377F4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva